Variables:

caseid                = respondent ID.
pid7                  = party identification, 7-point, 1 Strong D, 7 Strong R (8 = NA)
presvote16            = 1 Clinton, 2 Trumo, 3+ Others, No vote, NAP, etc.
demprimary2016        = 1 Clinton 2 O'Malley 3 Sanders 21 Other
repprimary2016        = 1 Jeb Bush
						2 Ben Carson
						3 Chris Christie
						4 Ted Cruz
						5 Carly Fiorina
						7 Mike Huckabee
						9 John Kasich
						10 Rand Paul
						12 Marco Rubio
						13 Rick Santorum
						16 Donald Trump
						17 Jim Gilmore
						21 Someone else
female                = 1 women, 0 men
edu_cat               = 0 no HS/HS completed, 1 some college or above
age                   = respondent age shifted 18, i.e. 0 is 18y old
not_caucasian         = race, 0 white, 1 other
interest              = political interest, 0 hardly at all, 1 most of the time (2 mid categories)
relig                 = importance of religion, 0 not at all to 1 very important
income                = family income rescaled 0 low to 1 high
					  = originally, 16 different brackets, starting with Less than $10,000 and ending with $500,000 or more
demrep                = recoded D-R (0 to 6)
leftright             = recoded ideology, liberal (0) to conservative (1)
open_anyoneforpres    = verbatim answers to open ended question of who should be president
open_pres_clean       = cleaned answers
alter_category        = categorized (human coding) open ended answers
open_clintontom       = verbatim first thing related to Clinton
open_clintontom_clean = first thing related to Clinton, cleaned answers
clinton_sent          = Clinton term sentiment coding (-1 negative, 0 neutral, 1 positive)
open_trumptom         = verbatim first thing related to Trump
open_trumptom_clean   = first thing related to Trump, cleaned answers
trump_sent            = Trump term sentiment coding (-1 negative, 0 neutral, 1 positive)